How to make the material was UFG is best forming deformation plastic severe (Severe Plastic Deformation, SPD) in the process of SPD-all approach that produce UFG most easily is the high pressure torsion (HPT) method. This is the grain size is small compared to other methods, the current SPD is widespread and has researched the advantages of forming this way and test different aspects that are going on. For Better or However, information about the conductivity is still minimal and could not be concluded, therefore, should be studied further.